 | | Book (volume) | | pans. Many other gem crystal species occur inpegmatite exposures, such asAquamarine, Beryl, some Ruby-red...areaAlmandite garnet; (g) harmony Church, areapegmatiteoutcropsBeryl; (h) Hickory Flat, 2 mi. NE on rd....mi. region surrounding this town contains manypegmatite dike minesMica minerals, Quartz crystals, Aquamarine...smoky).ATLANTA, Emory University, areapegmatite outcropsQuartz crystals (clear,BARNESVILLE, THOMASTON...NW of the Covington hwy. on the Philips rd., apegmatitegreenMuscovite, Feldspar, Quartz.STONE MOUNTAIN: |  | | Journal (article/letter/editorial) | | Tun AMERrcelu M rNERALocrsr JOURNAL Vol. 25URANINITE OF THE MINERALOGICAL SOCIETY OF AMERICA NOVEMBER...given below on the character and occurrenceofuraninite and thucholite at the Pied des Monts mine are...securedon that occasion. Two good specimensof theuraninite and one of the thucholite were sent to Dr. A....Measurement of Geologic Time, and one of theuraninite pieces was turned over by him for investigation...thorium and rare earths, a feature that makes thisuraninite exceptional among those of which analyses have |  | | Book (volume) | | fossils. There are noigneous or metamorphic rockoutcrops in Indiana.The four great periods of glaciations...FREMONT COUNTYAREA, all Devonian limestoneoutcrops, gemstone quality⎯fossil corals andstromatoporoids...the Tri-StateDistrict, where Kansas,Missouri and Oklahoma join boundaries. Thisdistrict is interesting... Logan, Trego, andWallace counties. Regionaloutcrops of shale disgorge Selenite crystals.ANDERSON...bodies occurring in Mississippian limestonewithoutcrops predominantly in the very corner of Kansas⎯chert |  | | Book (volume) | | fossils. There are noigneous or metamorphic rockoutcrops in Indiana.The four great periods of glaciations...FREMONT COUNTYAREA, all Devonian limestoneoutcrops, gemstone quality⎯fossil corals andstromatoporoids...the Tri-StateDistrict, where Kansas,Missouri and Oklahoma join boundaries. Thisdistrict is interesting... Logan, Trego, andWallace counties. Regionaloutcrops of shale disgorge Selenite crystals.ANDERSON...bodies occurring in Mississippian limestonewithoutcrops predominantly in the very corner of Kansas⎯chert |  | | Book (volume) | | which alsoproduced a most remarkable series ofpegmatite dikes ranking with those in Maine andSouthern...Hills Dist.Includes both Veins and the extensivepegmatite dike exposures and mines.BON HOMME & CHARLES...Alt. 16 for 15 to 17 mi.(near Rte. 79),pegmatite outcropsRose Quartz; S along US 385 for 32 mi....Co., all regional side rds., look for limestoneoutcrops andridgesFairhill agates; in Bull Moose mine...Spodumene, blue-greenTourmaline; Gayle Royal Flushpegmatite, 5.9 mi. SE Amblygonite.FAIRBURN: NW about |  | | Report (issue) | | Gorbatschev 987) and comprises a volcano-metallogeneticdistrict rich in mineralisations of several types. These...eastwards into southern Finland and the Orijärvidistrict (e.g. Gaál 990). Its northern and western areas...(Riddarhytte malmfält in Swedish), Skinnskattebergdistrict (Fig. 7), the oldest bedrock is dominated by Palaeoproterozoic...7 20 km Quartz porphyry Granite, deformedPegmatite Metavolcanic rock with skarns Granodiorite,...was worked in two shallow mines, Ceritgruvan andSankt Göransgruvan, where it formed restricted zones (up |  | | Book (volume) | | Murphrees Valley, as anarrow strip of scatteredoutcrops about 5 mi. long⎯Manganese minerals.CALHOUN...area⎯Barite.CHEROKEE COUNTYCENTRE, area Mioceneoutcrops⎯tektites (dark green and dark blue tektites have...of the Louisville andNashville RR), areapegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T. Childers...in the United StatesCLARKE COUNTYAREA, veinoutcrops along county roads⎯chert (resembles chalcedony)...bed⎯dark yellowocher.CLAY COUNTYAREA: cpegmatite outcrops in the mica schists, as large platy books |  | | Book (volume) | | Murphrees Valley, as anarrow strip of scatteredoutcrops about 5 mi. long⎯Manganese minerals.CALHOUN...area⎯Barite.CHEROKEE COUNTYCENTRE, area Mioceneoutcrops⎯tektites (dark green and dark blue tektites have...of the Louisville andNashville RR), areapegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T. Childers...in the United StatesCLARKE COUNTYAREA, veinoutcrops along county roads⎯chert (resembles chalcedony)...bed⎯dark yellowocher.CLAY COUNTYAREA: cpegmatite outcrops in the mica schists, as large platy books |  | | Book (volume) | | ......................258Missouri – New LeadDistrict Map .........................................................325New Jersey – Franklin MiningDistrict Map ............................................Texas – Fluorite in the Terlingua QuicksilverDistrict .................................455Texas – Sulfur..............502Vermont – Orange County CopperDistrict Site Map ...................................503...Murphrees Valley, as anarrow strip of scatteredoutcrops about 5 mi. longManganese minerals.CALHOUN |  | | Book (edition) | | PARADISE IBancroft and RegionlOld MinesQuarriesOutcropsRoadcuts'·Maps• .•·'fJ:....!...numerous abandoned mines, quanies, roadcuts andoutcrops that contain dozens of varieties of minerals....body ofgranite and amphibolite.Bancroft andDistrict Mineral Collecting Guidebook, p. 12AMER ICAN...once-successful mine is the pit.Bancroft andDistrict Mineral Collecting Guidebook, p. 34; Touring the...graphite, green peristerite,clear to smoky quartz,uraninite, uranothorite, zirconSecond largest uranium producer |  | | Report (article/chapter) | | area .Lucypegmatite.Results of the drill program ...... . .. . . .ArtdonpegmatiteSubsurface pegmatite..... . . ... . .Molly and Bendum claim sDeerpegmatite , West Hawk Lake.. . . . . . . . . . . . . ....Lake .. ... . . . ... ..... .. . . . . .Berylpegmatite north of Telford.779912121215161717...Lake/Cat Lake areasGeneral statement1919Pegmatite dykes in the Pointe du Bois area (Lac du Bois...Lamprey Falls)Lac du BoispegmatiteK-1pegmatite .Lucky NO.3pegmatitePine claim , Winnipeg River |  | | Book | | . . . .165180182Chapter 5: RADIOACTIVEPEGMATITE DEPOSITSGeological Characteristics of Pegmatites...... ... .... . .... ..... . . ...... .ZonedUraninite Pegmatites .....................................uranium is dissolved more readily than radium; thusoutcrops of radioactive ores rich in pyrite that are weathered...is relativelyhigh, radion1etric assays of suchoutcrops will be too high as compared tochen1ical assays...Examples1. Uraniu1n (U 4)Th .............. .UraniniteCa .............. . Pyrochlorc-microlite, apatite |  | Roza Llera, Ana, Fuertes-Fuente, Mercedes, Cepedal, Antonia, Martin-Izard, Agustín (2019) Barren and Li–Sn–Ta Mineralized Pegmatites from NW Spain (Central Galicia): A Comparative Study of Their Mineralogy, Geochemistry, and Wallrock Metasomatism.Minerals, 9 (12) 739doi:10.3390/min9120739 | Journal (article/letter/editorial) | | (barren) and Li–Sn–Ta mineralized Presqueirapegmatite are established in this study.K-feldspar and...Li–Sn–Ta mineralizedpegmatite.In both barren and mineralized bodies, thepegmatite-derived fluids that...and As.Keywords: wallrock signature; Li–Sn–Tapegmatite;columbite–tantalite; tantaliferous cassiterite;...on a Li–Sn–Tamineralized body, the Presqueirapegmatite, which is a non-outcropping body that has been...enriched pegmatites such as trace-elements in majorpegmatite-forming minerals andexplorationsignaturesof |  | | Book (volume) | | for gems and gemstones: quartz familyminerals,pegmatite crystals, Turquoise, agatized and opalized wood...(b) toward S end of the Pine Nut Mts., areapegmatite outcrops Thulite (pinkZoisite), Topaz; extreme...Silver, Platinum.ELKO COUNTYCARLIN: areapegmatite outcrops in surrounding hillsRose Quartz; nearby...Silverminerals; area gravels, surfaces andoutcropsCitrine, Rose Quartz, wonderstone; NW 8 mi....until the 1950’sGold, Lead, Silver; area rockoutcropsRose Quartz.This mining dist. was located with |  | | Report (issue) | | crystalline limestone, Crystal Lake Road occurrenceUraninite crystal in calcite-fluorite matrix, Cardiff Uranium... molybdentite, zircon, betafite, pyrochlore,uraninite and uranophane. Uncommonminerals such as stillwellite...zircon, de labetafite, du pyrochlore, de l'uraninite et de l' uranophane. On y trouve egalement des...localities, collectors should contact the Bancroft andDistrict Chamber of Commerce.The localities were investigated...Lindsay: limestoneGull River: limestoneGranitepegmatiteGranite gneissz |  | | Book | | Rocks; Minerals Found inIgneous Rocks; GranitePegmatite Gems and Minerals; HydrothermalMineral Deposits;...find throughout the region, especially in thepegmatiteintrusions (dikes) of New England, New Jersey...found inveins, dikes, stream gravels and benches,outcrops, and as "float" overthe widespread lower surfaces...the heart of the then most prolific metal-miningdistrict of central Europe, and although he did not enjoy...differing typesof mineralizations, not only surfaceoutcrops but deeply buried concentrations. He is trained |  | | Report (issue) | | the Price Occurrence13—Analyses of a sample ofuraninite from the O'Brien-Fowler Occurrence14—Uranium...Goshen A Occurence28—Geological map of berylpegmatite, Lot 30, Conce. jionXV, Lyndoch Township29—Geology...Jamieson Molybedenum Mine30—Geological map of berylpegmatite, Lot 23, Concession XV, Lyndoch Township31—Geology...Occurrence45 Geology of the Dodd Occurrence46—Pegmatite dike of the Forester Falls Occurrence47—Sketch...47—Sketch of radioactive carbonate vein inpegmatite, Vaughan Occurrence48—Cross-section of the Woermke No |  | | Book | | radioactive minerals, or he could test all rockoutcrops encountered, old mines, dumps, prospecting pits...number,district and province, or by lot and concession number, township, county ordistrict, and province...thorium, and other constituents (See pp. 90-107).Uraninite, composed, like pitchblende, mainly of uranium...DISTINGUISHING PITCHBLENDE ANDURANINITE Pitchblende anduraninite in some instances can be distinguished...minerals are not too 23 much altered, even if theuraninite has no crystal form, but the distinction may sometimes |  | | Book (volume) | | Mount Malosa, Chilwa alkaline province, Zombadistrict."Illite" is the name of a series of incompletely...the 2003 Tucson show.MOROCCOImilchil area.Outcrops of episyenite and of contact-metamorphicskarn...of rutile (Weerth, 2004).Tonniq Valley, Skardudistrict, Gilgit-Baltistan [NorthernAreas]. Beginning...testing to be hematite.Zagi [Zegi] Mountain, Warsakdistrict, North West FrontierProvince. Surface diggings...to 6 cm (2005: 120).Los Remedios mine, Taxcodistrict, Taxco, Guerrero. Ilvaiteoccurs in the wallrock |  | | Report (issue) | | This 24 cm wide"schorl" specimenfrom Tyrol,Austria was partof the GigotD'Orcy collectionand is...earlier formed gemquality crystals in manypegmatite pockets.Though the tourmaline group now consists...streak: yellow-brown; luster: vitdistrict Corinthia inAustria and Slovenia, dravite is areous to...(OH)Named after the discovery location in apegmatite onthe island of Elba in Tuscany, Italy, elbaite...Palapegmatite districts, California; Minas Gerais and Parafba, Brazil;Sahatany Valleypegmatite district |  | | Report (issue) | | on the north facing slope of Galena Hill, MayoDistrict (R . M . Thompson , 1951 : Am . Mineralogist...in the Keno Hill - Sourdough Hill area ,MayoDistrict , argentite is associated with native silver and.../ 5Origina lly described from the Berezovskdistrict , Ekaterinburg,Ura l Mountains , U . S . S ....from the Silanco and Agaunicomines , Cobal tdistrict (E . W . Nuffield and D . H . Gorman , 1960 :...diffr action pattern ofakermanite from the O kadistrict, Qu ebec , ha ve t h e following spac ings a nd |  | | Report (Issue volume) | | their natnral surroundings, in mines, quarries andoutcrops.Because many collectors enjoy the association...interbedded with shale,limestone and clay.The gypsumoutcrops on both sides of the Moose River below themouth...of the Missinaibi River. On the north bank, theoutcrops extendcontinuously for 2t miles downstream from...miles fromits mouth on the Moose River. Otheroutcrops are at GypsumMountain midway between the French...cleavelandite, red and black garnet, and mica in apegmatite dykewhich has been exposed by trenching. The |  | Gonçalves, Antonio Olimpio; Melgarejo, Joan-Carles; Alfonso, Pura; Amores, Sandra; Paniagua, Andrés; Neto, Andrés Buta; Morais, Eduardo Alves; Camprubí, Antoni (2019) The Distribution of Rare Metals in the LCT Pegmatites from the Giraúl Field, Angola.Minerals, 9 (10). 580doi:10.3390/min9100580 | Journal (article/letter/editorial) | | Abstract: The Giraúl graniticpegmatite field in Angola is composed of fivepegmatite types, the mostevolved...the evolution ofthe pegmatites and within eachpegmatite body from border to inner zones, and especially...minerals is quite characteristic in granites andpegmatite rocks and gives us information abouttheir petrogenesis...processes [12,13]. However, in the lateprocesses ofpegmatite evolution, such as those that form albitites,...21].The Giraúlpegmatite field (Angola)outcrops in a desert area, and theoutcrops are exceptional |  | | Report (issue) | | quarries, pits, rock exposures (road-cuts,rockoutcrops) and shorelines. Most of these are shown on locality...occurrences ofjasper, beryl, spodumene, mica,uraninite, soapstone andornamental rocks.Manitoba occurrences...area and adjacent Ontario. TheWinnipeg Riverpegmatite field presents a diverse mineral assemblage including...characteristic rusty gossan (weatheredpyrrhotite) in rockoutcrops serving as the indication of an orebody. Most...41 I/11 Chelmsford(G): 2491 Sudbury, SudburyDistrict, Sudbury Municipality (O.G.S., 1:50 000)Occurrences |  | | Report (issue) | | . . . . . . . . . . . . . .Beryl crystal inpegmatite, Quadeville beryl mine ....Curved tourmaline.... . . . . . . . . . . .Muscovite crystal inpegmatite, J. G. Gole quarry. . ..Fergusonite crystals... . . . . . . . . . . . . . . . . . . . . . .Pegmatite knoll, Caribou Lake peristerite occurrence.Deschenes...Magnesium Limited at Haley Station.In the NipissingDistrict there are numerous formerfeldspar mines as well...Ordovicianor Camb r ianSye n ite gneissSyenitepegmatiteA nort h osi t eIro n -fo r mationHo rnblende |
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